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Learned image compression methods have exhibited superior rate-distortion performance than classical image compression standards. Most existing learned image compression models are based on Convolutional Neural Networks (CNNs). Despite…

图像与视频处理 · 电气工程与系统科学 2022-04-12 Renjie Zou , Chunfeng Song , Zhaoxiang Zhang

Questing for learned lossy image coding (LIC) with superior compression performance and computation throughput is challenging. The vital factor behind it is how to intelligently explore Adaptive Neighborhood Information Aggregation (ANIA)…

图像与视频处理 · 电气工程与系统科学 2022-10-13 Ming Lu , Fangdong Chen , Shiliang Pu , Zhan Ma

Training learned image compression (LIC) models entails navigating a challenging optimization landscape defined by the fundamental trade-off between rate and distortion. Standard first-order optimizers, such as SGD and Adam, struggle with…

图像与视频处理 · 电气工程与系统科学 2026-01-30 Yichi Zhang , Fengqing Zhu

We propose a novel approach for channel state information (CSI) compression in multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems, where the frequency-domain channel matrix is treated as a…

信号处理 · 电气工程与系统科学 2025-02-28 Bumsu Park , Heedong Do , Namyoon Lee

Compression plays an important role on the efficient transmission and storage of images and videos through band-limited systems such as streaming services, virtual reality or videogames. However, compression unavoidably leads to artifacts…

计算机视觉与模式识别 · 计算机科学 2022-09-26 Marcos V. Conde , Ui-Jin Choi , Maxime Burchi , Radu Timofte

As learned image codecs (LICs) become more prevalent, their low coding efficiency for out-of-distribution data becomes a bottleneck for some applications. To improve the performance of LICs for screen content (SC) images without breaking…

图像与视频处理 · 电气工程与系统科学 2024-02-28 H. Burak Dogaroglu , A. Burakhan Koyuncu , Atanas Boev , Elena Alshina , Eckehard Steinbach

Snapshot compressive imaging (SCI) surges as a novel way of capturing hyperspectral images. It operates an optical encoder to compress the 3D data into a 2D measurement and adopts a software decoder for the signal reconstruction. Recently,…

图像与视频处理 · 电气工程与系统科学 2025-03-21 Jiamian Wang , Kunpeng Li , Yulun Zhang , Xin Yuan , Zhiqiang Tao

Learned video compression has recently emerged as an essential research topic in developing advanced video compression technologies, where motion compensation is considered one of the most challenging issues. In this paper, we propose a…

图像与视频处理 · 电气工程与系统科学 2023-06-30 Huairui Wang , Zhenzhong Chen , Chang Wen Chen

In recent years, neural image compression (NIC) algorithms have shown powerful coding performance. However, most of them are not adaptive to the image content. Although several content adaptive methods have been proposed by updating the…

计算机视觉与模式识别 · 计算机科学 2022-12-22 Guanbo Pan , Guo Lu , Zhihao Hu , Dong Xu

Diffusion-based image compression has demonstrated impressive perceptual performance. However, it suffers from two critical drawbacks: (1) excessive decoding latency due to multi-step sampling, and (2) poor fidelity resulting from…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Zheng Chen , Mingde Zhou , Jinpei Guo , Jiale Yuan , Yifei Ji , Yulun Zhang

Video snapshot compressive imaging (SCI) captures multiple sequential video frames by a single measurement using the idea of computational imaging. The underlying principle is to modulate high-speed frames through different masks and these…

图像与视频处理 · 电气工程与系统科学 2022-09-09 Lishun Wang , Miao Cao , Yong Zhong , Xin Yuan

Neural image compression often faces a challenging trade-off among rate, distortion and perception. While most existing methods typically focus on either achieving high pixel-level fidelity or optimizing for perceptual metrics, we propose a…

图像与视频处理 · 电气工程与系统科学 2024-12-17 Chuqin Zhou , Guo Lu , Jiangchuan Li , Xiangyu Chen , Zhengxue Cheng , Li Song , Wenjun Zhang

Low-light image enhancement (LLIE) is a fundamental yet challenging task due to the presence of noise, loss of detail, and poor contrast in images captured under insufficient lighting conditions. Recent methods often rely solely on…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Alexandru Brateanu , Raul Balmez , Ciprian Orhei , Codruta Ancuti , Cosmin Ancuti

Recently deep learning-based image compression methods have achieved significant achievements and gradually outperformed traditional approaches including the latest standard Versatile Video Coding (VVC) in both PSNR and MS-SSIM metrics. Two…

图像与视频处理 · 电气工程与系统科学 2024-02-13 Haisheng Fu , Feng Liang , Jianping Lin , Bing Li , Mohammad Akbari , Jie Liang , Guohe Zhang , Dong Liu , Chengjie Tu , Jingning Han

Existing learning-based stereo image codec adopt sophisticated transformation with simple entropy models derived from single image codecs to encode latent representations. However, those entropy models struggle to effectively capture the…

图像与视频处理 · 电气工程与系统科学 2025-02-11 Xinjie Zhang , Shenyuan Gao , Zhening Liu , Jiawei Shao , Xingtong Ge , Dailan He , Tongda Xu , Yan Wang , Jun Zhang

Due to the lack of a definitive ground truth for the image fusion problem, the loss functions are structured based on evaluation metrics, such as the structural similarity index measure (SSIM). However, in doing so, a bias is introduced…

计算机视觉与模式识别 · 计算机科学 2024-04-25 Aytekin Erdogan , Erdem Akagündüz

The increasing complexity of neural networks poses a significant barrier to the deployment of distributed machine learning (ML) on resource-constrained devices, such as federated learning (FL). Split learning (SL) offers a promising…

机器学习 · 计算机科学 2025-08-19 Zehang Lin , Zheng Lin , Miao Yang , Jianhao Huang , Yuxin Zhang , Zihan Fang , Xia Du , Zhe Chen , Shunzhi Zhu , Wei Ni

We present a mask-piloted Transformer which improves masked-attention in Mask2Former for image segmentation. The improvement is based on our observation that Mask2Former suffers from inconsistent mask predictions between consecutive decoder…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Hao Zhang , Feng Li , Huaizhe Xu , Shijia Huang , Shilong Liu , Lionel M. Ni , Lei Zhang

Low-dose computed tomography (LDCT) denoising is an important problem in CT research. Compared to the normal dose CT (NDCT), LDCT images are subjected to severe noise and artifacts. Recently in many studies, vision transformers have shown…

图像与视频处理 · 电气工程与系统科学 2023-03-29 Dayang Wang , Fenglei Fan , Zhan Wu , Rui Liu , Fei Wang , Hengyong Yu

In person re-identification (re-ID) task, it is still challenging to learn discriminative representation by deep learning, due to limited data. Generally speaking, the model will get better performance when increasing the amount of data.…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Wen Li , Cheng Zou , Meng Wang , Furong Xu , Jianan Zhao , Ruobing Zheng , Yuan Cheng , Wei Chu